.w {
    width: 80%;
    max-width: 1300px;
    margin:  0 auto;
}
.ww {
    width: 80%;
    max-width: 1000px;
    margin:  0 auto;
}
.warpBox {
    min-height: 100vh;
    background-repeat: repeat-y;
    background-size: 100%;
    background-image: url(../images/img/about_bg.png);
    padding-bottom: 9.2857rem;
}
.warpBox .titleC {
    color: #c16002;
    font-size: 24px;
    line-height: 18px;
    margin: 30px 0 15px 0;
}
.content_1 {
    padding-top: 2.5rem;
    font-size: 15px;
    line-height: 18px;
    color: #212121;
}
.content_1 .title {
    color: #c66802;
    font-size: 24px;
    line-height: 18px;
    margin-bottom: 30px;
}
.content_1 .txt {
    font-size: 16px;
    line-height: 30px;
    margin-bottom: 50px;
    color: #2b2b2b;
}
.content_1 p {
    margin: 10px 0 15px 0;
}
.content_2 {
    justify-content: space-between;
    color: #fff;
}
.content_2 .item {
    background-color: #729ab4;
    display: flex;
    justify-content: center;
    flex-direction: column;
    position: relative;
    width: 48%;
}
.content_2 .item>div {
    bottom: 0;
    padding: 20px 22px;
}

.content_3 {
    margin-top: 40px;
    position: relative;
}
.content_3 .title {
    z-index: 999;
    position: absolute;
    color: #fff;
    font-size: 24px;
    padding: 16px;
    top: 32px;
    left: 44px;
    background-color: rgba(243, 152, 0, 0.64);
}
.swiperBox {
    width: 100%;
}
.swiper-container {
    background-color: red;
    width: 100%;
    height: 500px;
}

@media (max-width:900px) {
    .content_2 .item {
        width: 100%;
        margin-bottom: 30px;
    }
}